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Dr Kiew Sieh Yean

Dr Kiew Sieh Yean

MBChB, M Med(Ophth), FRCOphth, FAMS


Singapore National Eye Centre

Specialty: Glaucoma, Cataract & Comprehensive Ophthalmology, Ophthalmology

Sub-specialties: Glaucoma, Cataract & Comprehensive Ophthalmology

Conditions Treated by this Doctor:
Cataract Surgery , Glaucoma .

Clinical Appointments

  • Consultant Glaucoma Department Singapore National Eye CentreSingapore National Eye Centre
  • Consultant Cataract & Comprehensive Ophthalmology Department Singapore National Eye CentreSingapore National Eye Centre
  • Consultant SNEC Eye Clinic @ SKH Sengkang General HospitalSengkang General Hospital

Academic Appointments

  • Clincial Assistant Prof SingHealth Duke-NUS Ophthalmology & Visual Sciences Academic Clinical Programme


​Dr Kiew Sieh Yean is a Consultant with the Cataract & Comprehensive Ophthalmology Department at Singapore National Eye Centre, and is also a subspecialty fellow in the Glaucoma Department under the Advanced Clinicial Specialist Program. Her current practice includes the management of glaucoma, general and comprehensive ophthalmology, and cataracts.

She completed her undergraduate medical training at the University of Aberdeen in Scotland, graduating with Honours and the Keith Medal in Surgery in 2011. She subsequently trained under the ACGME-I (American Council of Graduate Medical Education – International) accredited SingHealth Ophthalmology Residency Program, and obtained her Master of Medicine in Ophthalmology in 2017. She qualified as a Fellow of the Royal College of Ophthalmologists (London, United Kingdom) in 2018, attained Ophthalmology Specialist accreditation and was admitted as a Fellow of the Academy of Medicine, Singapore in 2019.

Dr Kiew has received multiple academic and service awards, including the SingHealth Outstanding Resident in Ophthalmology award twice in 2016 and 2019, the Joint Commission for Specialist Training (JCST) gold medal award for her performance in the Ophthalmology exit examinations in 2019, as well as the Richard Fan Medal of Ophthalmology for outstanding residents in 2019. In 2014, she was the recipient of the prestigious Crombie Medal from the Royal College of Ophthalmologists in London. Throughout her career at SingHealth, Dr Kiew has been involved in various leadership and administrative roles: she represented Ophthalmology on the SingHealth Residents’ Committee in 2016, served as the Chief Resident for SingHealth Ophthalmology from 2017 to 2019, and she is an alumnus of the Singapore Chief Residency Programme.

Dr Kiew has authored two book chapters and multiple articles in peer-reviewed journals, and presented her work at various regional and international conferences. Her current research interests include investigation of conjunctival wound healing, inflammation and fibrosis, including the search for novel therapeutic targets to modulate the post-surgical scarring response following glaucoma surgery. She is currently co-investigator of a study exploring the use of a novel antifibrotic drug in animal models of glaucoma filtration surgery, which was awarded the SNEC Health Research Endowment Fund (HREF) grant in 2019.


  • ​FAMS (2019)
  • FRCOphth (2018)
  • M Med(Ophth) (2017)
  • MBChB (2011)

Professional Appointments and Committee Memberships

  • ​Clinical Lecturer, Department of Ophthalmology, Yong Loo Lin School of Medicine, National University of Singapore
  • Member, Clinical Operations and Resource Management Committee, Singapore National Eye Centre (2018 - present)
  • Member, Education Research Committee, Singapore National Eye Centre (2016 - present)


  • ​Gold Medal, Ophthalmology Exit Examination (Joint Committee on Specialist Training, Singapore) (2019)
  • Richard Fan Medal of Ophthalmology (2019)
  • Residency in SingHealth Excels! (RiSE) Awards: Outstanding Resident Award (2016, 2019)
  • Crombie Medal, Royal College of Ophthalmologists (2014)

Research Interests


  1. Kiew SY, Thomas GN, Thomas AS, Fekrat S. Characteristics of Central Retinal Vein Occlusion in African Americans. Journal of VitreoRetinal Diseases. 2020;4(3):186-191. doi:10.1177/2474126419882829

  2. Ang M, Nguyen HV, Kiew SY, Chen S, Chee SP, Finkelstein E. Cost-effectiveness of alternative strategies for interferon-γ release assays and tuberculin skin test in tuberculous uveitis. Br J Ophthalmol. 2015 Jul;99(7):984-9. doi: 10.1136/bjophthalmol-2014-306285. Epub 2015 Jan 8. PMID: 25573149.

  3. Ang M, Kiew SY, Wong WL, Chee SP. Discordance of two interferon-γ release assays and tuberculin skin test in patients with uveitis. Br J Ophthalmol. 2014 Dec;98(12):1649-53. doi: 10.1136/bjophthalmol-2014-305229. Epub 2014 Jul 7. PMID: 25001322.

  4. Ang M, Saroj L, Htoon HM, Kiew S, Mehta JS, Tan D. Comparison of a donor insertion device to sheets glide in Descemet stripping endothelial keratoplasty: 3-year outcomes. Am J Ophthalmol. 2014 Jun;157(6):1163-1169.e3. doi: 10.1016/j.ajo.2014.02.049. Epub 2014 Feb 26. PMID: 24582993.

  5. Ang M, Wong WL, Kiew SY, Li X, Chee SP. Prospective head-to-head study comparing 2 commercial interferon gamma release assays for the diagnosis of tuberculous uveitis. Am J Ophthalmol. 2014 Jun;157(6):1306-14; 1314.e1-4. doi: 10.1016/j.ajo.2014.01.031. Epub 2014 Feb 4. PMID: 24508163.

  6. Kiew S, Forrester JV, Chee SP, Kuffová L. Intravenous 'pulse' methylprednisolone for the treatment of inflammatory cystoid macular oedema. Br J Ophthalmol. 2012 Dec;96(12):1531-3. doi: 10.1136/bjophthalmol-2012-301777. Epub 2012 Sep 27. PMID: 23018422.

Research Trials